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Eddy currents are produced in:...

Eddy currents are produced in:

A

induction furnace

B

electromagnetic brakes

C

speedometer

D

all of these.

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • Eddy currents are produced, when

    A
    a metal is kept in a varying magnetic field.
    B
    a metal is kept in a steady magnetic field.
    C
    a circular coil is placed in a magnetic field.
    D
    current is passed through a circular coil.

  • Eddy currents are produced when

    A
    a metal is kept in varying magnetic field
    B
    a metal is kept in a steady magnetic field
    C
    a circular coil is placed in a magnetic field
    D
    through a circular coil current is passed

  • Eddy current are produce when

    A
    a metal is kept in varing magnetic field
    B
    a metal is kept in steady magnetic field
    C
    a circular coils is planced in a magnetic field
    D
    current is passed through a circular coil

    • Similar Questions

    Explore conceptually related problems

    Eddy currents do not produce

    Assertion : If a varying current is flowing through a machine of iron, eddy currents are produced. Reason : change in the magnetic flux thro' an area causes eddy currents.

    Assertion: Eddy current is produced in any metallic conductor when magnetic flux is changed aroundn it. Reason: Electric potential determines the flow of charges

    Assertion : A metallic surface is moved in and out in magnetic field then emf is induced in it. Reason : Eddy current will be produced in a metallic surface moving in and out of magnetic field.

    Eddy currents are used in

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